14
grotesque(adjective, strange, ugly, look like, misshapen)
14
monstrous(adjective, evil, nasty, harsh, dark)
14
stilted(adjective, strong, delicate, unusual, cold)
14
uncanny(adjective, obscure, dark, unusual, strange)
13
contrived(adjective, fake, counterfeit, regular, hollow)
13
extraordinary(adjective, wrong, unusual, strange, exceptional)
13
mannered(adjective, strong, cold, refined, stiff)
13
stiff(adjective, unusual, counterfeit, awkward, regular)
12
freaky(adjective, unusual, strange, regular, odd)
11
fake(adjective, false, mock, pretentious, artificial)
11
kinky(adjective, evil, unusual, strange, vicious)
10
deviant(adjective, good, flat, unusual, strange)
10
factitious(adjective, fake, honest, false, regular)
10
insincere(adjective, fake, counterfeit, regular, hollow)
10
strained(adjective, difficult, awkward, fantastic, regular)
10
studied(adjective, difficult, counterfeit, regular, hollow)
9
cruel(adjective, evil, nasty, pain, terrible)
9
imitation(adjective, fake, false, mock, regular)
9
outlandish(adjective, unusual, wild, strange, crazy)
9
perverted(adjective, regular, artificial)
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APASmart Define. (2016). unnatural thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unnatural/thesaurus/synonyms
ChicagoSmart Define. 2016. "unnatural thesaurus" https://smartdefine.org/unnatural/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unnatural thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unnatural/thesaurus/synonyms>.
MLASmart Define. "unnatural thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/unnatural/thesaurus/synonyms>